PCAD - Images for the firm Robertson, Leslie E., Associates (LERA), Structural Engineers

Aerial view of Downtown Seattle, 2000, with Columbia Center (dark building in foreground); from Flickr Commons and the Seattle Muncipal Archives

Elevation of the City of Paris Department Store, San Francisco, 1896; from NoeHill in San Francisco

Exterior detail of the Broad Museum, Los Angeles, 2017; photo by Nina Mross, reproduced by permission

Exterior view of Broad Museum corner, Los Angeles, 2017; photo by Nina Mross, reproduced by permission

Exterior view of the Broad Museum with view of sidewalk plantings, Los Angeles, 2017; photo by Nina Mross, reproduced by permission

Exterior view of the Broad Museum, Los Angeles, 2017; photo by Nina Mross, reproduced by permission

Exterior view of the Broad Museum, Los Angeles, 2017; photo by Nina Mross, reproduced by permission

Exterior view of the Columbia Center, Seattle, 2007; from Wikimedia Commons, photo by Ivan Andreevich

Exterior view of the Columbia Center, Seattle, 2011; from Flickr Commons, photo by Nicola